<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt />
      </div>
      <div>
        <el-form
          ref="loginFormRef"
          :rules="loginFormRules"
          :model="loginForm"
          label-width="0px"
          class="login_form"
        >
          <!-- 用户名 -->
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              prefix-icon="iconfont icon-houtui"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              type="password"
              v-model="loginForm.password"
              prefix-icon="iconfont icon-user"
            ></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button @click="login" type="primary">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      //   表单验证
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', triggle: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在3到10个字符之间',
            triggle: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', triggle: 'blur' },
          {
            min: 6,
            max: 15,
            message: '长度在6到15个字符之间',
            triggle: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
      console.log(this)
    },
    login() {
      this.$refs.loginFormRef.validate(valid => {
        if (!valid) return
        this.axios.post('login', this.loginForm).then(res => {
          console.log(res.data)
          if (res.data.meta.status !== 200)
            return this.message.error('登录失败')
          this.message.success('登录成功')
          window.sessionStorage.setItem('token', res.data.data.token)
          this.$router.push('/home')
        })
      })
    }
  }
}
</script>

<style scope>
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_container {
  background-color: aqua;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}
.avatar_box img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}
</style>
